@@ -318,6 +318,15 @@ static void blkverify_refresh_filename(BlockDriverState *bs, QDict *options)
}
}
+static char *blkverify_dirname(BlockDriverState *bs, Error **errp)
+{
+ /* In general, there are two BDSs with different dirnames below this one;
+ * so there is no unique dirname we could return (unless both are equal by
+ * chance). Therefore, to be consistent, just always return NULL. */
+ error_setg(errp, "Cannot generate a base directory for blkverify nodes");
+ return NULL;
+}
+
static BlockDriver bdrv_blkverify = {
.format_name = "blkverify",
.protocol_name = "blkverify",
@@ -328,6 +337,7 @@ static BlockDriver bdrv_blkverify = {
.bdrv_close = blkverify_close,
.bdrv_getlength = blkverify_getlength,
.bdrv_refresh_filename = blkverify_refresh_filename,
+ .bdrv_dirname = blkverify_dirname,
.bdrv_aio_readv = blkverify_aio_readv,
.bdrv_aio_writev = blkverify_aio_writev,
blkverify's BDSs have a file BDS, but we do not want this to be preferred over the raw node. There is no way to decide between the two (and not really a reason to, either), so just return NULL in blkverify's implementation of bdrv_dirname(). Signed-off-by: Max Reitz <mreitz@redhat.com> --- block/blkverify.c | 10 ++++++++++ 1 file changed, 10 insertions(+)